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Finding the Fourth Proportional to 152,468.80, 228,703.20 and 47,298.40

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Solution

The fourth proportional to 152,468.80, 228,703.20 and 47,298.40 is: 70,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,468.80 : 228,703.20 = 47,298.40 : x
  2. Step 2: Convert to fraction form
    152,468.80/228,703.20 = 47,298.40/x
  3. Step 3: Cross multiply
    152,468.80x = 228,703.20 × 47,298.40
  4. Step 4: Simplify right side
    152,468.80x = 10,817,295,434.88
  5. Step 5: Solve for x
    x = 10,817,295,434.88/152,468.80
  6. Step 6: Final answer
    x = 70,947.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.